1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef BLADERUNNER_AUD_STREAM_H
#define BLADERUNNER_AUD_STREAM_H
#include "bladerunner/adpcm_decoder.h"
#include "audio/audiostream.h"
#include "common/endian.h"
#include "common/types.h"
namespace BladeRunner {
class AudioCache;
class AudStream : public Audio::RewindableAudioStream {
byte *_data;
byte *_p;
byte *_end;
AudioCache *_cache;
int32 _hash;
uint16 _deafBlockRemain;
uint16 _frequency;
uint32 _size;
uint32 _sizeDecompressed;
byte _flags;
byte _compressionType;
int _overrideFrequency;
ADPCMWestwoodDecoder _decoder;
void init(byte *data);
public:
AudStream(byte *data, int overrideFrequency = -1);
AudStream(AudioCache *cache, int32 hash, int overrideFrequency = -1);
~AudStream() override;
int readBuffer(int16 *buffer, const int numSamples) override;
bool isStereo() const override { return false; }
int getRate() const override { return _overrideFrequency > 0 ? _overrideFrequency : _frequency; };
bool endOfData() const override { return _p == _end; }
bool rewind() override;
uint32 getLength() const;
bool startAtSecond(uint32 startSecond);
int getBytesPerSecond() const;
};
} // End of namespace BladeRunner
#endif
|